I would say :
Import the excel data in a new table ( e.g. Table1).
Table1 has 5 fields.
Make a query based on table1 which looks something like :
SELECT Table1.[Field1], Table1.[Field2], Table1.[Field3], Table1.[Field4], Table1.[Field5], ([Field2] & " " & [Field3] & " " & [Field4] & " " &...